Cutting-lubricant attachment for machine-tools.



E. 1?.*BULLRR JR. CUTTING LUBRIGANT ATTACHMENT FOR MACHINE TOOLS.

AIPLICATIOI FILED PERL?, 1912. l jm mmm oct. 2a, 1913.

3 SHEETS-Smm 1.

@Um/cna 134 11F.BULLMLJ'Rl CUTTING LUBRIGANT ATTACHMENT FOR MACHINE TOOLS.

Hx w APPLICATION FILED PBB.12,1912. W {@WT if.

Patented Oct. 28, 1913.

3 SHEETS-SHEET 2y @im uw no 12 a E. P. BULLARD, JR. CUTTING LUBRIOANT ATTACHMENT POR MACHINE TOOLS,

APPLICATION FILED TEB.12,1912. 1,076,947., Patented Got. 28', 1913.

3 SHEETS-SHEET 3.

. cally covers the front` edge portion of the table and base. The said vtrough is secured to the base by means of bolts 32 and eX- tends from the point 33 shown in Fig. 1, around the front of the machine to and includingthe discharge'opening 34 located at the left. The bottom of this trough is preferably formed upon a slight decline to insure the drainage lof the lubricant therein toward the said outlet 34 from whence it is discharged into the strainer 35 which is employed to separate the chips from the lubri-4 cant. The lubricant drains through this strainer into the settling pan 36 which has an overflow' outlet 37 to permit the lubricant- 'to pass out and down into the reservoir 38. The liner particles of metal which pass .through the strainer are'thus allowed to settle in the pan while the lubricant readily flows on out and into 'the reservoir.'

' A front shield 39 is connected to the end of the inner shield 28 at the point 33 and is secured to the before mentioned outer edge portion of the trough 31 by means of brackets 40, while a further and specially formed shield 41 is similarl attached to the edge portion of the troug around the discharge opening; and is' connected in the rear with the opposite end of the before mentioned rear shield 28. vA comparatively high shield is thus formed all around the table in a way to catch all of the chips and lubricant as they are 'thrown over the annular edge of the table and to direct the same down upon -the ring 20 carried by the-table and from which they are thrown off into the trough.

The chips are obviously removed from the trough by the operator, while the lubricant runs down from the annular drain into the reservoir. In practice I have found that the lubricant had a tendency to work up under the flange 21 of the ring 20 and from thence on in to the table bearing; therefore the before mentioned central. annular groove 23 was formed with its elongated openings 26 which I find thoroughly drainall the lubrivcantwhich may work in under the said flange 21, and thereby it .insures a perfect protection to the bearing from ittici-cutting lubricant. v

o Within the reservoir 38 is located a pump 42 which is driven through a pulley 43 operatively connected with any suitable part of the machine to force the lubricant from the reservoir up through the pipe '44 and into the manifold chamber 45 attached to the front of the base of the machine as shown in Fig. 4'. From this chamber is formed two adjustable pipe connections 46 and 47 that are alike in construction, and are designed to convey a supply of cutting lubricant from the manifold chamber to the tools located at different points over the table as will be apparent from Figs. 1 and 4. The said adjustable pipe connections being similar in construction and operation, it will obviously be necessary to describe but one in detail.

Referring therefore to Figs. 4 and 5 it will be seen that two vertically disposed sleeves 48 are mounted in the top end of the manifold chamber and are designed to clamp the outer or larger tubes 49 in their vertically adjusted positions. The Aupper ends of these sleeves are slotted and provided with clamping screws 50 whereby the opposite side portions of the upper .end of the clamps are made to bear upon the pipes and support them where desired. The inner pipes 51 are slidably mounted-in the inwardly disposed pipe 53, having a valve 54 therein for turning on and off the supply. In addition to the vertical adjustment provided for these pipes they are also rotatably mounted in the chamber to permit the arm 53 to be swung back and forth across the top of the table to 'line up with the cutting tools or out to one side against 'the front shield39 as shown in dotted lines in Fig. 1.

Having thus described my invention what I claim and desire to secure by Letters Peb' ent is v 1. In a cutting lubricant attachment for machine tools, the combination with a rotary work carrying table, of a reservoir, a. pump and pipe connections for circulating the lubricant from the reservoir to the table, and an annular drain surrounding the table to catch the lubricant and direct it back into the reservoir.

2. In a lubricant attachment for machine tools, the ccmbination with a rotary Work carrying table, of a reservoir, a pump and pipe coma-actions for circulating' the lubricant from the reservoir to the table, a manifold chamber within the pipe connections, and an annular drain surrounding the tablev tc catch the lubricant and direct it back into the reservoir.

noaaoar 3. ln a lubricant attachment tor machine tools, the combination with a rotary table, of an annular ring secured thereto, a stationary grooved ringe,l beneath the said annular ring and against which the annular ring operates, a trough to catch the lubricant as it flows from the said annular rings, a reservoir, and means for feeding the said lubricant to the table.v

Ll. ln a lubricant attachment for machine tools, the combination with a rotary table, of an annular ring` secured thereto, a stationary grooved ring beneath the said annular ring and against Which the annular ring operates, a trough to catch the said lubricant as it flows from the said annular rings, a reservoir and means for feedingF the lubricant to the said table, and a shield extending' upward from the rings and trough to dellect the lubricant and chips into the trough.

5. In a lubricant attachment formachine tools, the combination with a rotary table, oi1v an annular ring secured thereto, a stationary grooved ring beneath the said annular ring and ,having outlet holes from the said grooves, a trough to catch the said lubricant as it flows from the said holes, a reservoir and means for feeding the said lubricant to the table.

e 6. In a lubricant attachment for machine tools, the combination with a rotary table, of a ring secured to the said table and having an annular depending" flange, a stationcirculate the lubricant and feed it back` to the table.

7. ln a lubricant attachment for machine tools, the combination with a rotary table, of a ring secured to the said table and having an annular dependingl flange, a stationary perforated vring Y beneath and against which the flanged ring operates, a trough to catch the lubricant from the openings ot the stationary ring, a reservoir, and means to circulate the lubricant and leed it back upon the table.

8. The combination with a rotary Worlr carrying table of an attachment ,for feeding lubricant to the tools over the table and including a manifold chamber havingr an inlet, a pair of vertically and rotatably adjust able pipes mounted therein, and an attached lateral extension adapted to be swung; across the top of the table.

Signed at Bridgeport in the county of Fairfield and State of Connecticut this 3rd day of Feby. A. D., i912. n

nnivann r. Buttman, ne-

yWitnesses t llamar L. Uvrarr, JOHN W.

mmmmmww tonica of this patent may he obtained for live canta each, by addressing the l tummlssioner ol.' ll'atenta, Washington, hall,

Elli 

